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171 WorkRate1 |
Name : _________________ |
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18 people can do a job in 8 days. How many days would it take if there were only 9 people? |
10 people can do a job in 6 days. How many days would it take if there were only 2 people? |
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| 171 16 33 48 56 55 ( 208 ) 30 12 15 10 16 ( 83 ) [[ 291 ]] | ||
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